Examples with ImageData org.eclipse.swt.graphics.ImageData used on opensource projects

Example 46 with ImageData

use of org.eclipse.swt.graphics.ImageData in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_graphics_Image method test_setBackgroundLorg_eclipse_swt_graphics_Color.

@Test
public void test_setBackgroundLorg_eclipse_swt_graphics_Color() {
    if (SwtTestUtil.isGTK) {
        // TODO Fix GTK failure.
        if (SwtTestUtil.verbose) {
            System.out.println("Excluded test_setBackgroundLorg_eclipse_swt_graphics_Color(org.eclipse.swt.tests.junit.Test_org_eclipse_swt_graphics_Image)");
        }
        return;
    }
    Image image = new Image(display, 10, 10);
    try {
        image.setBackground(null);
        fail("No exception thrown for color == null");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for color == null", SWT.ERROR_NULL_ARGUMENT, e);
    } finally {
        image.dispose();
    }
    image = new Image(display, 10, 10);
    Color color = new Color(display, 255, 255, 255);
    color.dispose();
    try {
        image.setBackground(color);
        fail("No exception thrown for disposed color");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for disposed color", SWT.ERROR_INVALID_ARGUMENT, e);
    } finally {
        image.dispose();
    }
    image = new Image(display, 10, 10);
    image.dispose();
    color = new Color(display, 255, 255, 255);
    try {
        image.setBackground(color);
        fail("No exception thrown for disposed image");
    } catch (SWTException e) {
        assertSWTProblem("Incorrect exception thrown for disposed image", SWT.ERROR_GRAPHIC_DISPOSED, e);
    } finally {
        color.dispose();
    }
    // this image does not have a transparent pixel by default so setBackground has no effect
    image = new Image(display, 10, 10);
    image.setBackground(display.getSystemColor(SWT.COLOR_GREEN));
    color = image.getBackground();
    assertNull("background color should be null for non-transparent image", color);
    image.dispose();
    // create an image with transparency and then set the background color
    ImageData imageData = new ImageData(10, 10, 2, new PaletteData(new RGB(0, 0, 0), new RGB(255, 255, 255), new RGB(50, 100, 150)));
    // transparent pixel is currently black
    imageData.transparentPixel = 0;
    image = new Image(display, imageData);
    image.setBackground(display.getSystemColor(SWT.COLOR_GREEN));
    color = image.getBackground();
    assertEquals("background color should have been set to green", display.getSystemColor(SWT.COLOR_GREEN), color);
    image.dispose();
}

Example 47 with ImageData

use of org.eclipse.swt.graphics.ImageData in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_graphics_ImageData method test_getPixelII.

@Test
public void test_getPixelII() {
    int value;
    assertEquals(":a:", 0, imageData.getPixel(0, 0));
    value = 0xAA;
    imageData.setPixel(0, 0, value);
    assertEquals(":b:", value, imageData.getPixel(0, 0));
    // exception cases
    try {
        imageData.getPixel(-1, 1);
        fail("No exception thrown for x out of bounds");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for x out of bounds", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    try {
        imageData.getPixel(IMAGE_DIMENSION, 1);
        fail("No exception thrown for x out of bounds");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for x out of bounds", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    try {
        imageData.getPixel(0, -1);
        fail("No exception thrown for y out of bounds");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for y out of bounds", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    try {
        imageData.getPixel(0, IMAGE_DIMENSION);
        fail("No exception thrown for y out of bounds");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for y out of bounds", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    int width = 3;
    int height = 3;
    int depth = 4;
    byte pixelValue = 1;
    byte[] data = { (byte) ((pixelValue << 4) + pixelValue), (byte) (pixelValue << 4), (byte) ((pixelValue << 4) + pixelValue), (byte) (pixelValue << 4), (byte) ((pixelValue << 4) + pixelValue), (byte) (pixelValue << 4) };
    imageData = new ImageData(width, height, depth, new PaletteData(new RGB(0, 0, 255), new RGB(111, 111, 111)), 1, data);
    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            int pixel = imageData.getPixel(x, y);
            assertEquals("Bad pixel data", pixelValue, pixel);
        }
    }
}

Example 48 with ImageData

use of org.eclipse.swt.graphics.ImageData in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_graphics_ImageData method test_getTransparencyMask.

@Test
public void test_getTransparencyMask() {
    try (InputStream stream = getClass().getResourceAsStream(SwtTestUtil.transparentImageFilenames[0])) {
        Image image = new Image(Display.getDefault(), stream);
        imageData = image.getImageData();
        ImageData maskData = imageData.getTransparencyMask();
        assertNotNull(":b:", maskData);
        image.dispose();
    } catch (IOException e) {
    }
// Bug 71472 - transparency mask should be null
/*	image = new Image(Display.getDefault(), getClass().getResourceAsStream(imageFilenames[0] + '.' + imageFormats[imageFormats.length-1]));
	imageData = image.getImageData();
	maskData = imageData.getTransparencyMask();
	assertNull(":c:", maskData);
*/
}

Example 49 with ImageData

use of org.eclipse.swt.graphics.ImageData in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_graphics_ImageData method test_getPixelsIII$II.

@Test
public void test_getPixelsIII$II() {
    final int SIZE = 20;
    final int GET_WIDTH = 10;
    final int OFFSET = 10;
    int[] pixelData = new int[SIZE];
    // test 1 bit
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 1, new PaletteData(new RGB(0, 0, 0), new RGB(255, 255, 255)));
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        assertEquals(":a:", 0, pixelData[i]);
    }
    int[] values = new int[] { 0x1, 0x1, 0x1, 0x1, 0x1 };
    imageData.setPixels(0, 1, values.length, values, 0);
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        if (i < OFFSET) {
            assertEquals(":b:", 0, pixelData[i]);
        } else if (i < OFFSET + values.length) {
            assertEquals(":c:", values[i - OFFSET], pixelData[i]);
        } else if (i < OFFSET + GET_WIDTH) {
            assertEquals(":d:", 0, pixelData[i]);
        }
    }
    // test 2 bit
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 2, new PaletteData(new RGB(0, 0, 0), new RGB(255, 255, 255)));
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        assertEquals(":e:", 0, pixelData[i]);
    }
    values = new int[] { 0x1, 0x2, 0x3, 0x2, 0x1 };
    imageData.setPixels(0, 1, values.length, values, 0);
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        if (i < OFFSET) {
            assertEquals(":f:", 0, pixelData[i]);
        } else if (i < OFFSET + values.length) {
            assertEquals(":g:", values[i - OFFSET], pixelData[i]);
        } else if (i < OFFSET + GET_WIDTH) {
            assertEquals(":h:", 0, pixelData[i]);
        }
    }
    // test 4 bit
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 4, new PaletteData(new RGB(0, 0, 0), new RGB(255, 255, 255)));
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        assertEquals(":i:", 0, pixelData[i]);
    }
    values = new int[] { 0x1, 0x2, 0x3, 0x4, 0xF };
    imageData.setPixels(0, 1, values.length, values, 0);
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        if (i < OFFSET) {
            assertEquals(":j:", 0, pixelData[i]);
        } else if (i < OFFSET + values.length) {
            assertEquals(":k:", values[i - OFFSET], pixelData[i]);
        } else if (i < OFFSET + GET_WIDTH) {
            assertEquals(":l:", 0, pixelData[i]);
        }
    }
    // test 8 bit
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 8, new PaletteData(new RGB(0, 0, 0), new RGB(255, 255, 255)));
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        assertEquals(":m:", 0, pixelData[i]);
    }
    values = new int[] { 0x1, 0x2, 0x3, 0xF, 0xFF };
    imageData.setPixels(0, 1, values.length, values, 0);
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        if (i < OFFSET) {
            assertEquals(":n:", 0, pixelData[i]);
        } else if (i < OFFSET + values.length) {
            assertEquals(":o:", values[i - OFFSET], pixelData[i]);
        } else if (i < OFFSET + GET_WIDTH) {
            assertEquals(":p:", 0, pixelData[i]);
        }
    }
    // test 16 bit
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 16, new PaletteData(0xF800, 0x7E0, 0x1F));
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        assertEquals(":q:", 0, pixelData[i]);
    }
    values = new int[] { 0, 0x2, 0xF, 0xFF, 0xFFAA };
    imageData.setPixels(0, 1, values.length, values, 0);
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        if (i < OFFSET) {
            assertEquals(":r:", 0, pixelData[i]);
        } else if (i < OFFSET + values.length) {
            assertEquals(":s:", values[i - OFFSET], pixelData[i]);
        } else if (i < OFFSET + GET_WIDTH) {
            assertEquals(":t:", 0, pixelData[i]);
        }
    }
    // test 24 bit
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 24, new PaletteData(0xFF0000, 0xFF00, 0xFF));
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        assertEquals(":u:", 0, pixelData[i]);
    }
    values = new int[] { 0, 0xFF, 0xFFAA, 0xFF00AA };
    imageData.setPixels(0, 1, values.length, values, 0);
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        if (i < OFFSET) {
            assertEquals(":v:", 0, pixelData[i]);
        } else if (i < OFFSET + values.length) {
            assertEquals(":w:", values[i - OFFSET], pixelData[i]);
        } else if (i < OFFSET + GET_WIDTH) {
            assertEquals(":x:", 0, pixelData[i]);
        }
    }
    // test 32 bit
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 32, new PaletteData(0xFF000000, 0xFF00, 0xFF));
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        assertEquals(":y:", 0, pixelData[i]);
    }
    values = new int[] { 0, 0xFF, 0xFFAA, 0xFF00AA00 };
    imageData.setPixels(0, 1, values.length, values, 0);
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        if (i < OFFSET) {
            assertEquals(":z:", 0, pixelData[i]);
        } else if (i < OFFSET + values.length) {
            assertEquals(":aa:", values[i - OFFSET], pixelData[i]);
        } else if (i < OFFSET + GET_WIDTH) {
            assertEquals(":ab:", 0, pixelData[i]);
        }
    }
    // exception cases
    try {
        imageData.getPixels(0, 1, GET_WIDTH * GET_WIDTH, pixelData, OFFSET);
        fail("No exception thrown for getWidth out of bounds");
    } catch (IndexOutOfBoundsException e) {
    }
    try {
        imageData.getPixels(0, 1, GET_WIDTH, (int[]) null, OFFSET);
        fail("No exception thrown for pixels == null");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for pixels == null", SWT.ERROR_NULL_ARGUMENT, e);
    }
    try {
        imageData.getPixels(-1, 1, GET_WIDTH, pixelData, OFFSET);
        fail("No exception thrown for x out of bounds");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for x out of bounds", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    try {
        imageData.getPixels(IMAGE_DIMENSION, 1, GET_WIDTH, pixelData, OFFSET);
        fail("No exception thrown for x out of bounds");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for x out of bounds", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    try {
        imageData.getPixels(0, -1, GET_WIDTH, pixelData, OFFSET);
        fail("No exception thrown for y out of bounds");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for y out of bounds", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    try {
        imageData.getPixels(0, IMAGE_DIMENSION, GET_WIDTH, pixelData, OFFSET);
        fail("No exception thrown for y out of bounds");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for y out of bounds", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    try {
        imageData.getPixels(0, 1, -1, pixelData, OFFSET);
        fail("No exception thrown for getWidth < 0");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for getWidth < 0", SWT.ERROR_INVALID_ARGUMENT, e);
    }
}

Example 50 with ImageData

use of org.eclipse.swt.graphics.ImageData in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_graphics_ImageData method test_ConstructorIIILorg_eclipse_swt_graphics_PaletteDataI$B.

@Test
public void test_ConstructorIIILorg_eclipse_swt_graphics_PaletteDataI$B() {
    byte[] validData = new byte[] { 0, 0x4f, 0x4f, 0 };
    try {
        new ImageData(-1, 1, 1, new PaletteData(new RGB(0, 0, 0)), 1, validData);
        fail("No exception thrown for width < 0");
    } catch (IllegalArgumentException e) {
    }
    try {
        new ImageData(1, -1, 1, new PaletteData(new RGB(0, 0, 0)), 1, validData);
        fail("No exception thrown for height < 0");
    } catch (IllegalArgumentException e) {
    }
    try {
        new ImageData(1, 1, 1, null, 0, validData);
        fail("No exception thrown for paletteData == null");
    } catch (IllegalArgumentException e) {
    }
    try {
        new ImageData(1, 1, 1, new PaletteData(new RGB(0, 0, 0)), 1, null);
        fail("No exception thrown for data == null");
    } catch (IllegalArgumentException e) {
    }
    try {
        new ImageData(1, 1, 1, new PaletteData(new RGB(0, 0, 0)), 1, new byte[] {});
        fail("No exception thrown for data array too small");
    } catch (IllegalArgumentException e) {
    }
    try {
        new ImageData(1, 1, 16, new PaletteData(new RGB(0, 0, 0)), 1, new byte[] { 0x4f });
        fail("No exception thrown for data array too small");
    } catch (IllegalArgumentException e) {
    }
    try {
        new ImageData(1, 1, 32, new PaletteData(new RGB(0, 0, 0)), 1, new byte[] { 0x4f, 0x4f });
        fail("No exception thrown for data array too small");
    } catch (IllegalArgumentException e) {
    }
    try {
        new ImageData(2, 2, 8, new PaletteData(new RGB(0, 0, 0)), 1, new byte[] { 0x4f, 0x4f, 0x4f });
        fail("No exception thrown for data array too small");
    } catch (IllegalArgumentException e) {
    }
    try {
        new ImageData(1, 1, 3, new PaletteData(new RGB(0, 0, 0)), 1, validData);
        fail("No exception thrown for unsupported depth");
    } catch (IllegalArgumentException e) {
    }
    // verify all valid depths
    int[] validDepths = { 1, 2, 4, 8, 16, 24, 32 };
    for (int i = 0; i < validDepths.length; i++) {
        new ImageData(1, 1, validDepths[i], new PaletteData(new RGB(0, 0, 0)), 1, validData);
    }
    // verify no divide by zero exception if scanlinePad == 0
    try {
        new ImageData(1, 1, 8, new PaletteData(new RGB(0, 0, 0)), 0, validData);
        fail("No exception thrown for scanlinePad == 0");
    } catch (IllegalArgumentException e) {
    }
}